Because researchers are generally more concerned with establishing internal validity rather than external validity, they are typically more concerned with _________ and less concerned with ____________.
a. random selection; random assignment
b. random assignment; random selection
c. populations; samples
d. samples; populations
Question 2
In a(n) design, the experimenter takes multiple measures on the dependent variable both before and after treatment.
a. non-equivalent control group
b. interrupted time series
c. multivariate
d. before-after
The breast, cutaway view showing both internal and external features.
Establishing a caring and trusting relationship helps the client come to terms with a terminal illne
Internal acoustic meatus
Internal and External Loci of Control
Comparing Internal Structures of the Planets
cow internal